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The Cisco 1G SFP (Small Form-Factor Pluggable) class of transceivers offers a hot-swappable input/output design that plugs into a Gigabit Ethernet port or slot, linking the port with the fiber-optic or copper network. These industry-standard modules are the backbone of enterprise networking, providing seamless data transmission for uplinks and backbone connectivity.

Available Models in this Class:

• GLC-SX-MMD: 1000BASE-SX for Short-Range Multimode Fiber (up to 550m).

• GLC-LH-SMD: 1000BASE-LX/LH for Long-Reach Singlemode Fiber (up to 10km).

• GLC-T: 1000BASE-T for Copper Category 5/6 cables (up to 100m).

Key Highlights:

• Hot Swappable: Plug it in or pull it out without shutting down the switch, ensuring zero network downtime.

• DOM Support: Digital Optical Monitoring (DOM) allows you to check the real-time health, temperature, and signal strength of the fiber link.

• Plug-and-Play: No configuration needed—simply plug it into a Cisco SFP port and it starts working instantly.

• Original Quality: Certified system pulls that guarantee 100% compatibility with Cisco IOS.

The Finisar Fiber SFP is a high-performance, cost-effective optical module designed for Gigabit Ethernet and Fibre Channel applications. This Small Form-factor Pluggable (SFP) transceiver is "Hot-Swappable," allowing you to upgrade or replace the module without powering down your switches or routers.

As an industry leader, Finisar SFPs are known for their low power consumption and high EMI (Electromagnetic Interference) resistance. This Multimode (SX) version is perfect for short-distance high-speed data transfer within a server room or between racks.

• Global Compatibility: Works with almost all major switch brands (Cisco, Juniper, Dell, HP, Intel).

• Hot-Pluggable: Simplifies maintenance by allowing modules to be swapped while the system is running.

• Low Power Dissipation: Helps maintain lower temperatures in high-density rack environments.

• Reliable Data Transfer: Built with premium laser technology for zero-packet-loss performance.

• Metal Enclosure: Provides superior durability and lower EMI compared to plastic modules.

• Distance (Important): 550 Meters (Over OM2 Multimode Fiber)

• Data Rate (Important): 1.25 Gbps / 1 Gbps

• Fiber Type (Important): Multimode Fiber (MMF)

• Connector Type: Dual LC Connector

• Brand: Finisar

• Model Name/Number: FTLF8519P3BTL (or equivalent Finisar series)

• Number Of Ports: 1

• Wavelength: 850 nm

• Warranty: 1-Month Hardware Warranty Only

• Interface: SFP (Small Form-factor Pluggable)

• Tx Power: -9.5 to -3 dBm

• Connector Side: LC Duplex

• DDM/DOM Support: Yes (Digital Diagnostic Monitoring)

• Operating Temp: -40°C to 85°C (Industrial Grade) / 0°C to 70°C (Commercial)

1. Original Manufacturer: Since Finisar makes SFPs for big brands, buying a Finisar-branded module gives you "original equipment" quality at a lower price.

2. Industrial Reliability: Finisar modules are tested to withstand higher temperatures than generic unbranded SFPs.

3. Perfect for Data Centers: Ideal for connecting servers to switches or stacking switches within the same rack.

The Cisco SFP-10G-LR is a hot-swappable input/output device that plugs into a 10 Gigabit Ethernet SFP+ port of a Cisco switch or router. It provides 10 Gbps connectivity over Single-Mode Fiber (SMF) for distances up to 10 Kilometers.

This module is highly reliable and widely used in data centers and enterprise wiring closets. It features Digital Optical Monitoring (DOM) support, which allows real-time monitoring of the transceiver’s temperature, laser bias current, and optical power.

• 10km Long Reach: Designed for long-distance data transmission over Single-Mode Fiber.

• Hot-Swappable: Can be plugged in or removed without shutting down the switch, ensuring zero network downtime.

• High Performance: Supports a link bit rate of up to 10.3 Gbps.

• DOM Support: Allows network administrators to monitor the health of the fiber link via the switch interface.

• Low Power Consumption: Optimized for energy efficiency within high-density server racks.

• Interoperability: Works perfectly with Cisco Catalyst, Nexus, and ISR/ASR series equipment.

• Module Type (Important): SFP+ Transceiver

• Data Rate (Important): 10 Gbps

• Fiber Type (Important): Single-Mode Fiber (SMF)

• Wavelength: 1310 nm

• Max Distance: 10 Kilometers (6.2 miles)

• Interface/Connector: Dual LC/PC Connector

• Brand: Cisco

• Model Name/Number: SFP-10G-LR

• Operating Case Temperature: 0°C to 70°C (Standard)

• Power Consumption: Max 1.5 Watts

• Transmitter Type: DFB Laser

• Receiver Type: PIN

• Cable Distance: 10 km

• Warranty: 1-Month Hardware Warranty Only

1. Long Range: Unlike the 10G-SR (which only goes 300-400 meters), the LR model covers up to 10,000 meters, making it perfect for connecting separate office buildings.

2. Reliability: Cisco original SFPs offer the lowest failure rates in the industry, ensuring your core network stays stable.

3. Versatility: Compatible with almost all Cisco switches that have 10G SFP+ slots.

The Cisco SFP-10G-SR is an industry-leading 10-Gigabit SFP+ transceiver designed for high-speed data transfer over short distances. It is the "gold standard" for 10GbE connectivity in modern data centers and enterprise wiring closets. Operating at an 850 nm wavelength, it utilizes Multimode Fiber (MMF) to deliver reliable 10 Gbps throughput. It is the primary choice for connecting high-end servers to core switches and for high-bandwidth switch-to-switch links within a rack or between floors.

This module is hot-swappable, allowing for easy installation and maintenance without taking the network offline. It fully supports Digital Optical Monitoring (DOM), giving IT administrators real-time visibility into critical performance metrics like optical output/input power, temperature, and supply voltage. With a reach of up to 300 meters on OM3 fiber and 400 meters on OM4, the SFP-10G-SR provides the "muscle" needed for 10G networks where performance and low latency are non-negotiable.

• 10 Gbps Data Rate: Massive bandwidth for heavy virtualization, cloud computing, and high-speed data backup.

• MU-MIMO/DOM Support: Features advanced diagnostics for real-time monitoring and easier troubleshooting of fiber links.

• Hot-Swappable I/O: Plugs directly into a Cisco SFP+ port without requiring a system reboot or power down.

• Smallest 10G Form Factor: Optimized for high-density chassis, allowing more ports per rack unit.

• Optical Interoperability: Compatible with 10GBASE XENPAK, 10GBASE X2, and 10GBASE XFP interfaces on the same link.

• Low Power Consumption: Operates efficiently with a power draw of typically less than 1 Watt, reducing the thermal load on switches.

• Connector Type: LC Duplex

• Fiber Type (Important): Multimode Fiber (MMF)

• Max Distance: 300m (OM3) / 400m (OM4)

• Data Rate: 10 Gbps

• Wavelength (Important): 850 nm

• DOM Support (Important): Yes (Digital Optical Monitoring)

• Interface: SFP+ (Small Form-factor Pluggable Plus)

• Brand: Cisco

• Model Number: SFP-10G-SR

• Bail Latch Color: Beige

• Power Consumption: 1 Watt

• Operating Temperature: 0°C to 70°C (Commercial Grade)

• Compliance: IEEE 802.3ae (10GBASE-SR)

• 10x Faster than 1G: Highlight the jump from 1Gbps to 10Gbps. This is the most popular upgrade for businesses whose networks are starting to "choke" on standard 1G speeds.

• Data Center Grade: Position this as the "heavy-duty" choice for server-to-switch connections. It’s built for 24/7 high-traffic environments.

• Check the "SR" vs "SR-S": Note that this is the standard SFP-10G-SR, which supports more protocols (like FCoE and OTN) compared to the cheaper "S-Class" (SFP-10G-SR-S) variant.

• Beige Latch ID: Mention the Beige bail latch. This is the official Cisco color code for 10G Multimode, making it easy for technicians to identify it at a glance.

The Juniper EX-SFP-1GE-SX is a high-performance, hot-pluggable Small Form-factor Pluggable (SFP) transceiver designed for Gigabit Ethernet applications. Operating over multi-mode fiber (MMF), it supports a link distance of up to 550 meters at a wavelength of 850nm. This module is an essential component for high-speed data communication between Juniper switches, routers, and other networking equipment in enterprise LANs and data centers.

Built to comply with SFP MSA and IEEE 802.3z standards, this transceiver ensures seamless interoperability in multi-vendor environments. It features Digital Optical Monitoring (DOM/DDM), allowing network administrators to monitor real-time parameters such as optical output power, input power, temperature, and supply voltage. Its low power consumption and "plug-and-play" design make it a reliable and cost-effective solution for short-reach optical links.

• Gigabit Performance: Provides full 1Gbps data transfer rate for high-speed network backbones.

• Hot-Swappable: Can be plugged in or removed without powering down the switch, ensuring zero network downtime.

• Digital Optical Monitoring (DOM): Supports real-time diagnostic monitoring for proactive network maintenance.

• Low Power Consumption: Operates efficiently with power dissipation typically less than 1 Watt.

• Standard LC Connector: Uses a duplex LC interface for secure and industry-standard fiber connectivity.

• Wide Compatibility: Fully qualified for use with Juniper EX, MX, and QFX series hardware.

• Series (Important): Juniper 1G Optical Transceiver

• Port Count (Important): 1 Port (SFP Slot)

• Switch Type (Important): N/A (Transceiver Module)

• Number of Ports (Important): 1 (Duplex LC)

• Model Name/Number: EX-SFP-1GE-SX

• Brand: Juniper Networks

• Area Network Type: LAN / SAN / Data Center

• Color: Silver (Metal Enclosure)

• Device Type: SFP Transceiver Module

The Cisco SFP-10G-SR-S is an "S-Class" 10-Gigabit SFP+ transceiver designed specifically for enterprise and data center environments that require cost-effective, high-speed connectivity. The S-Class series is optimized for the most common network reaches, offering the same 10 Gbps performance as the standard model but at a more attractive price point by focusing on essential Ethernet protocols.

Operating at an 850 nm wavelength over Multimode Fiber (MMF), this module is the go-to choice for short-range links (up to 400 meters). The (H) in some listings often refers to its high-quality manufacturing or a specific hardware revision, but it maintains full compatibility with the standard SFP-10G-SR-S specs. It is a hot-swappable "plug-and-play" device that supports Digital Optical Monitoring (DOM), allowing you to track signal health, temperature, and power levels directly from your Cisco switch.

• 10 Gbps Data Rate: High-speed throughput for core-to-access switch links and server connectivity.

• S-Class (Cost-Effective): Optimized for standard Ethernet applications (Note: Does not support FCoE or OTN protocols, unlike the non-S version).

• MU-MIMO/DOM Support: Provides real-time diagnostic data to ensure the fiber link is operating at peak performance.

• Hot-Swappable: Can be inserted into or removed from an active Cisco SFP+ port without a system reboot.

• Short-Range Specialist: Perfect for connections within a single rack or between adjacent server rooms.

• Beige Color Code: Uses the industry-standard beige bail latch for easy identification as a 10G Multimode module.

• Connector Type: LC Duplex

• Fiber Type (Important): Multimode Fiber (MMF)

• Max Distance: 300m (OM3) / 400m (OM4)

• Data Rate: 10 Gbps

• Wavelength (Important): 850 nm

• DOM Support (Important): Yes (Digital Optical Monitoring)

• Interface: SFP+ (Small Form-factor Pluggable Plus)

• Brand: Cisco

• Model Number: SFP-10G-SR-S

• Power Consumption: ~1 Watt

• Operating Temperature: 0°C to 70°C (Commercial Grade)

• Compliance: IEEE 802.3ae (10GBASE-SR)

• Cable Type: OM3 / OM4 recommended

• Best Value 10G: Position this as the "budget-friendly" 10G option. For most office and data center Ethernet tasks, the S-Class module provides identical speed to more expensive models for less money.

• IndiaMART Popularity: This is one of the most searched 10G modules in India. Use keywords like "10G S-Class SFP" and "850nm Multimode" to catch more buyers.

• Plug & Play for Catalyst/Nexus: Mention that it is fully compatible with popular Cisco series like Catalyst 9200, 9300, and Nexus 3000/9000.

• Beige Handle: Remind buyers to look for the beige handle to confirm they are using the correct short-range fiber module.

Cisco SFP+ (Small Form-factor Pluggable Plus) modules are the industry-standard for 10 Gigabit Ethernet connectivity. These high-performance, hot-swappable devices plug into the SFP+ ports of Cisco switches and routers to provide high-speed uplinks and server connections. Designed to be 10x faster than standard SFP modules, the Cisco 10G series is essential for modern data centers, enterprise core networks, and high-performance computing.

The Cisco SFP+ portfolio offers a variety of media options to suit any distance: Multimode Fiber for short-range links within a rack, Single-mode Fiber for long-distance campus or city-wide connections, and Copper (RJ-45) for short-range electrical connections. All Cisco SFP+ modules (excluding S-Class in some cases) support Digital Optical Monitoring (DOM), giving network admins real-time data on signal strength, temperature, and power.

• 10 Gbps High-Speed Bandwidth: Dramatically increases network throughput for virtualization, 4K video, and cloud applications.

• Industry-Leading Versatility: Supports distances from 30 meters to 80 kilometers depending on the specific model (SR, LR, ER, ZR).

• Hot-Swappable Design: Allows for installation or replacement without powering down the switch, ensuring zero downtime.

• Smallest 10G Form Factor: High-density design allows for more 10G ports in a 1U rack space.

• DOM Support (Digital Optical Monitoring): Enables proactive troubleshooting by monitoring the health of the fiber link in real-time.

• Optical Interoperability: Compatible with older 10G interfaces like X2 and XFP on the same link.

• Data Rate: 10 Gbps (Gigabit Ethernet)

• Form Factor: SFP+

• Connector Type: Dual LC (Fiber) or RJ-45 (Copper)

• Interface: SFP+ 10G I/O

• Voltage: 3.3V

• Operating Temp: 0°C to 70°C (Standard) / -40°C to 85°C (Industrial)

• "Network Future-Proofing": Tell your customers that moving to 10G SFP+ is the best way to stop internet "bottlenecks" in busy offices.

• Genuine Compatibility: Emphasize that these work with Cisco Catalyst 9000 series, Nexus switches, and ASR routers.

• Color-Coded Identification: Mention that each module has a color-coded handle (Bail Latch) so the user can't plug the wrong cable in.

• DOM Capability: Always highlight DOM support, as professional IT buyers in India prioritize this feature for maintenance.

The Cisco GLC-SX-MMD is a high-performance, industry-standard SFP (Small Form-factor Pluggable) transceiver designed for short-range Gigabit Ethernet connections. It operates on Multimode Fiber (MMF) and uses an 850 nm wavelength to deliver data at speeds of up to 1 Gbps. It is the upgraded version of the classic GLC-SX-MM, now featuring Digital Optical Monitoring (DOM), which allows network administrators to monitor real-time parameters like temperature, laser power, and signal strength.

This module is perfect for intra-building connections, such as linking a server to a switch or connecting two switches within the same server room. It supports a maximum distance of 550 meters over high-quality 50-micron fiber (OM2) and up to 1 km over laser-optimized OM3 fiber. The "D" in the model name indicates its support for DOM, while the "M" indicates its Extended Temperature Range, making it much more reliable in warmer environments compared to standard commercial-grade modules.

• 1000BASE-SX Performance: Provides a stable 1 Gbps link over cost-effective multimode fiber cables.

• Digital Optical Monitoring (DOM): Built-in diagnostic capability for real-time monitoring of the module’s health and performance.

• Hot-Swappable: Can be plugged in or removed from any Cisco SFP port without powering down the device, ensuring maximum network uptime.

• Dual LC Connector: Industry-standard compact fiber interface for easy and secure high-density cabling.

• Extended Temperature Range: Rated to operate between -5°C to 85°C, providing extra durability in dense data center racks.

• Distance Versatility: Supports 220m on legacy OM1 fiber and up to 550m–1km on modern OM2/OM3/OM4 fiber.

• Connector Type: LC Duplex

• Fiber Type (Important): Multimode Fiber (MMF)

• Max Distance: 550 Meters (on OM2) / 1000 Meters (on OM3)

• Data Rate: 1000 Mbps (1 Gbps)

• Wavelength (Important): 850 nm

• DOM Support (Important): Yes (Digital Optical Monitoring)

• Interface: SFP (Mini-GBIC)

• Brand: Cisco

• Model Number: GLC-SX-MMD

• Power Consumption: < 1 Watt

• Operating Temperature: -5°C to 85°C (Extended)

• Weight: Approx. 75 grams

• Compliance: IEEE 802.3z (1000BASE-SX)

• The Global Standard: This is one of the most widely used SFPs in the world. Almost every enterprise with a Cisco switch (Catalyst 2960, 3850, 9200) uses this module for fiber uplinks.

• Proactive Maintenance: Emphasize the DOM feature. It allows IT managers to see if a fiber link is getting weak before it actually breaks, preventing unexpected downtime.

• Cost-Efficient Fiber: Since it uses Multimode (SX) fiber, it is much cheaper for short-range setups than the Single-mode (LX/LH) versions.

• Ready for Any Rack: Because it supports an Extended Temperature Range, you can confidently sell it to customers in hotter climates or environments with poor cooling.

The Cisco GLC-TE is a high-performance, hot-swappable SFP (Small Form-factor Pluggable) transceiver module designed to bridge the gap between fiber-optic slots and copper-based Ethernet networks. Unlike standard fiber SFPs, the GLC-TE features an RJ-45 connector, allowing you to use standard Category 5 (Cat5) or better copper cabling to achieve Gigabit Ethernet speeds.

As the industry-standard replacement for the older GLC-T, the GLC-TE is enhanced with an extended operating temperature range (the "E" stands for Extended Temperature), making it more reliable in high-density data centers and industrial environments. It provides full-duplex Gigabit connectivity up to a distance of 100 meters. This module is a "must-have" for IT professionals needing to convert an empty SFP slot on a Cisco switch or router into a standard copper Ethernet port without replacing the entire hardware.

• 1000BASE-T Copper Connectivity: Enables Gigabit Ethernet over existing copper infrastructure using Cat5, Cat5e, or Cat6 cables.

• Extended Temperature Range: Rated to operate from -5°C to 85°C, providing extra stability in hot server racks.

• Hot-Swappable: Can be plugged in or removed from any Cisco SFP port without powering down the switch, ensuring zero network downtime.

• 100-Meter Reach: Supports data transmission distances up to 100 meters, identical to standard built-in RJ-45 ports.

• Plug-and-Play: Fully compatible with a wide range of Cisco Catalyst switches, routers, and firewalls (ASA/Firepower).

• Auto-Negotiation: Automatically detects and matches the speed and duplex settings of the connected device.

• Connector Type: RJ-45

• Cable Type: Category 5/5e/6/6a

• Max Distance: 100 Meters (328 feet)

• Data Rate: 1000 Mbps (1 Gbps)

• Wavelength: N/A (Copper/Electrical)

• Interface (Important): SFP (Small Form-factor Pluggable)

• Operating Temperature (Important): -5°C to 85°C (23°F to 185°F)

• Brand: Cisco

• Model Number: GLC-TE

• Power Consumption: 1.1 W (Typical)

• Dimensions: 13.4 x 13.7 x 71 mm

• Weight: Approx. 75 grams

• Protocol: IEEE 802.3ab (1000BASE-T)

• Universal Compatibility: Emphasize that it works with almost any Cisco device with an SFP slot (Switches like C2960X, C3850, C9200L).

• Standard Copper Connection: Perfect for connecting servers, storage units, or workstations that only have a standard LAN port to a high-end fiber switch.

• The "E" Advantage: Highlight that this is the Extended Temperature version. It is more durable and lasts longer than the cheaper, standard-temperature "GLC-T" models.

• Cost-Effective Scaling: Explain that this allows users to add more copper ports to their existing switch on an "as-needed" basis, saving the cost of buying a new copper switch.